The oldest known features of Mercury's surface formed:
A) about 4.6 billion years ago.
B) about 3.9-3.2 billion years ago.
C) just under 4 billion years ago.
D) less than a billion years ago.
Correct Answer:
Verified
Q54: Which of these features is attributed to
Q55: How does Mercury's rotation relate to the
Q56: Which statement about the rotations of the
Q57: The hollows on Mercury are:
A)isolated depressions found
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Q60: The average rate of erosion on the
Q61: The composition of Mercury's crust is:
A)deficient in
Q62: Mercury's evolution was different from the Moon's
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Q64: What do moonquakes reveal about the Moon?
A)It
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